package com.neusoft.liduan.d0911.zi;

public class Zi extends Fu {
	public int i = 20;

	public void show() {
		System.out.println("zi" + i);
	}
	
	public static void main(String[] args) {
		Zi zi = new Zi();
		zi.show();
		Fu f = zi;
		f.show();
	}
}
